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More 1.2 relnotes

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Brian Anderson 2015-07-30 14:27:54 -07:00
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RELEASES.md
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@ -16,6 +16,12 @@ Highlights
jobs). It's not enabled by default, but will be "in the near
future". It can be activated with the `-C codegen-units=N` flag to
`rustc`.
* This is the first release with [experimental support for linking
with the MSVC linker and lib C on Windows (instead of using the GNU
variants via MinGW)][win]. It is yet recommended only for the most
intrepid Rusticians.
* Benchmark compilations are showing a 30% improvement in
bootstrapping over 1.1.
Breaking Changes
----------------
@ -31,6 +37,10 @@ Breaking Changes
* [The `#[packed]` attribute is no longer silently accepted by the
compiler][packed]. This attribute did nothing and code that
mentioned it likely did not work as intended.
* Associated type defaults are [now behind the
`associated_type_defaults` feature gate][ad]. In 1.1 associated type
defaults *did not work*, but could be mentioned syntactically. As
such this breakage has minimal impact.
Language
--------
@ -46,12 +56,11 @@ Libraries
`LinkedList`, `VecDeque`, `EnumSet`, `BinaryHeap`, `VecMap`,
`BTreeSet` and `BTreeMap`. [RFC][extend-rfc].
* The [`iter::once`] function returns an iterator that yields a single
element.
* The [`iter::empty`] function returns an iterator that yields no
element, and [`iter::empty`] returns an iterator that yields no
elements.
* The [`matches`] and [`rmatches`] methods on `str` return iterators
over substring matches.
* [`Cell`] and [`RefCell`] both implement [`Eq`].
* [`Cell`] and [`RefCell`] both implement `Eq`.
* A number of methods for wrapping arithmetic are added to the
integral types, [`wrapping_div`], [`wrapping_rem`],
[`wrapping_neg`], [`wrapping_shl`], [`wrapping_shr`]. These are in
@ -144,6 +153,8 @@ Misc
[dst]: https://github.com/rust-lang/rfcs/blob/master/text/0982-dst-coercion.md
[parcodegen]: https://github.com/rust-lang/rust/pull/26018
[packed]: https://github.com/rust-lang/rust/pull/25541
[ad]: https://github.com/rust-lang/rust/pull/27382
[win]: https://github.com/rust-lang/rust/pull/25350
Version 1.1.0 (June 2015)
=========================